IOS 控件常识

//获取图片或文件方式

1、通过plist文件获取图片名

NSString *plisFile = [[NSBundle mainBundle] pathForResource:@“文件名” ofType:@"plist"];

    NSArray *array = [[NSArray alloc] initWithContentsOfFile:plistFile];

//多文件操作   找到包中所有plis文件 然后过滤info文件 遍历数组 找到图片并保存到数组中去

 NSArray *plists = [[NSBundle mainBundle] pathsForResourcesOfType:@"plist" inDirectory:nil];//找到包中所有的plist文件

    for (NSString *file in plists) {

        //找到最后一个'/'的位置

        NSRange range = [file rangeOfString:@"/" options:NSBackwardsSearch];

        //提取文件名

        NSString *name = [file substringFromIndex:range.location+1];

        //过滤Info.plist

        if ([name isEqualToString:@"Info.plist"]) {

            continue;

        }

        //读取文件内容

        NSArray *array = [NSArray arrayWithContentsOfFile:file];

        //创建用于保存所有图片名字的数组

        NSMutableArray *imageNames = [NSMutableArray array];

        //遍历数组提取图片名字并保存

        for (NSDictionary *dic in array) {

            [imageNames addObject:dic[@"imageName"]];

        }

//通过找到包路径 遍历包路径内容找出后缀是png格式的图片  并存到数组中去

NSString *bundlePath = [NSBundle mainBundle].bundlePath;//找到包路径

   NSArray *array = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:bundlePath error:nil];  //遍历目录内容

    //遍历数组提取有效文件

    for (NSString *fileName in array) {

        if (![fileName hasSuffix:@"png"]) {

            continue;

        }

    view.image = [UIImage imageNamed:fileName];

}

//根据文件名字查找包路径

NSString *path = [[NSBundle mainBundle] pathForResource:@"qq" ofType:@"jpg"];

UIImage *image = [[UIImage alloc] initWithContentsOfFile:path];

//图片相关

view.contentMode = UIViewContentModeScaleAspectFit;//图片的填充模式

imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; //设置图片选染色

//图片拉伸

stretchableImageWithLeftCapWidth

resizableImageWithCapInsets:

//贴图

 //找到图片的名字

    NSString *name = 图片名字;

    NSArray *names = [name componentsSeparatedByString:@"."];

    //找到在包中的路径

    NSString *path = [[NSBundle mainBundle] pathForResource:names[0] ofType:names[1]];

    //贴图

    view.image = [UIImage imageWithContentsOfFile:path];

//添加环境变量

 Uuild Settings搜索 prefix header

Precompile Prefix Header 修改Yes

Prefix Header 放路径    $(SRCROOT)/D2TableViewBaseOperate/utiliity.pch  //注意默认路径是根目录

UICollectionView  集合视图  <UICollectionViewDelegateFlowLayout, UICollectionViewDataSource>  

//创建时需要指定尺寸和布局对象

_collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:[self createLayout]];

//注册附加视图类型及复用标识

    [_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"headerId"];

- (UICollectionViewFlowLayout *)createLayout

layout.minimumLineSpacing = 10;//最小行间距

layout.minimumInteritemSpacing = 10;//item的最小间距

layout.itemSize = CGSizeMake(100, 100);//item尺寸

layout.sectionInset = UIEdgeInsetsMake(20, 20, 20, 20);//组的四周边距

//垂直滚动，高度有效；水平滚动，宽度有效

layout.headerReferenceSize = CGSizeMake(50, 50);

layout.footerReferenceSize = CGSizeMake(50, 50);

//附加视图是否一直显示在边界

layout.sectionHeadersPinToVisibleBounds = YES;

layout.sectionFootersPinToVisibleBounds = YES;

//代理方法

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {

    return 60;

}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {

    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cellId" forIndexPath:indexPath];

    return cell;

}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {

if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {

//头视图

UICollectionReusableView *view = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:@"headerId" forIndexPath:indexPath];

        view.backgroundColor = [UIColor greenColor];

        return view;

    }

}

//通过代理方法可以动态指定布局对象的相关属性

//指定后布局依次为准，创建布局对象时的默认设置无效

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {

return CGSizeMake(150, 100);

}

//UITableView 表格视图 <UITableViewDataSource> <UITableViewDelegate> day10

self.automaticallyAdjustsScrollViewInsets = NO; //取消导航视图影响

//注册cell类型及复用标识  定制的Cell 不用写

[_tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"cellId"];

//返回组数

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return _dataSource.count;

}

//返回指定的组的行数

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return [_dataSource[section] count];

}

//返回选中的cell的IndexPath

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    //表格视图是通过一个复用队列来管理cell的，每次需要时先从队列中查找，若有空闲的直接返回，没有时返回nil，返回nil时需要创建cell，若之前已经注册则会直接创建，然后返回；当cell被滑出显示范围就会被放到复用队列中

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cellId"];

 //     indexPath.section //组号     indexPath.row 行号

}

//添加右上角 item

UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"Edit" style:UIBarButtonItemStylePlain target:self action:@selector(itemHandle:)];

self.navigationItem.rightBarButtonItem = item;

//返回表格视图的编辑状态

UITableViewCellEditingStyleNone,  //无效果

UITableViewCellEditingStyleDelete,  //删除

UITableViewCellEditingStyleInsert   //添加

//注意这里可以用  位或 | 在实现多个风格的调用

- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {

    return UITableViewCellEditingStyleInsert;

}

//表格视图可编辑状态时 会回调这个代理方法 可在这里做编辑操作

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {

        //操作完之后要刷新显示   // 这里默认是数组  所以我们要写成数组形式

        //添加

        [self.tableView insertRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];

        //删除

        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];

//刷新指定的组的数据

        [self.tableView reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation:UITableViewRowAnimationAutomatic];

}

//返回删除按钮的标题  这个方法可以修改删除按钮的标题

- (NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {

    return @"删除";

}

//当全选按钮的时候 获取指定区域的cell的indexPath 我们可以用

[self.tableView indexPathsForRowsInRect:

//使用代码方式选中一行

[self.tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionNone];

//使用代码方式取消选中一行

[self.tableView deselectRowAtIndexPath:indexPath animated:YES];

 //重新加载所有数据

[self.tableView reloadData];

//移动一个cell 到新的IndexPath时 回调的代理方法

- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath{}

//返回组的头视图的高度

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {

return 44;

}

//刷新指定的组的数据时 会回调这个方法

- (nullable UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{

//刷新指定的组的数据

[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation:UITableViewRowAnimationAutomatic];

}

UITableViewCellStyle  Cell风格

    UITableViewCellStyleDefault,    // 左侧显示textLabel（不显示detailTextLabel），imageView可选（显示在最左边）

    UITableViewCellStyleValue1,        // 左侧显示textLabel、右侧显示detailTextLabel（默认蓝色），imageView可选（显示在最左边）

    UITableViewCellStyleValue2,        // 左侧依次显示textLabel(默认蓝色)和detailTextLabel，imageView可选（显示在最左边）

    UITableViewCellStyleSubtitle    // 左上方显示textLabel，左下方显示detailTextLabel（默认灰色）,imageView可选（显示在最左边）

if (!cell) {右侧附加按钮风格

cell.accessoryType = UITableViewCellAccessoryDetailButton;

//右侧附加视图，accessoryType无效

cell.editingAccessoryType = UITableViewCellAccessoryCheckmark;

cell.accessoryView = view;

//编辑状态附加视图，editingAccessoryType无效

 cell.editingAccessoryView = editingView;

//右侧button风格右侧附加视图点击时回调该方法

- (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {

printf("section:%ld row:%ld\n",indexPath.section,indexPath.row);

}

3D方式旋转

cell.layer.transform = CATransform3DMakeRotation(flag*M_PI_2, 0, 0, 1.0);

//恢复原始状态

cell.layer.transform = CATransform3DIdentity;

//返回cell的高度

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {

    return 70;

}

UISearchController 搜索视图

//当搜索框弹出时是否覆盖当前的视图控制器

self.definesPresentationContext = YES;

//搜索时是否隐藏导航条

_searchController.hidesNavigationBarDuringPresentation = NO;

//能否选中搜索到的结果

_searchController.dimsBackgroundDuringPresentation = NO;

UISearchBar 搜索条  UISearchDisplayController  搜索显示控制器

//创建搜索显示控制器，并绑定搜索条，显示到哪个控制器上

_searchDC = [[UISearchDisplayController alloc] initWithSearchBar:_searchBar contentsController:self];

//滚动视图 UIScrollView  <UIScrollViewDelegate> //代理  day09

scrollView.bounces = NO; //禁止出界回弹

scrollView.pagingEnabled = YES; //设置按页滚动

scrollView.indicatorStyle //设置滚动条的风格

scrollView.contentSize //设置内容大小

scrollView.contentOffset //设置偏移量

scrollView.showsHorizontalScrollIndicator = NO;  //不显示滚动条X

scrollView.showsVerticalScrollIndicator = NO;    //不显示滚动条Y

[scrollView setContentOffset:CGPointMake() animated:YES];//设置滚动视图的偏移量

scrollView.decelerationRate = //  滑动离手后自由减速的加速度

UIScrollViewDecelerationRateNormal 正常减速

UIScrollViewDecelerationRateFast   快速减速

scrollView.scrollsToTop = NO    //点击状态栏回滚到顶部，默认为YES

//一直可以滚动，无论内容尺寸大小，需要允许边界回弹  当图片小于内容视图尺寸时 想要右滚动效果需要这是这个

scrollView.alwaysBounceHorizontal = YES;

scrollView.alwaysBounceVertical = YES;

[self performSelector:@selector(选择器方法) withObject:nil afterDelay:3] //延迟3秒

将偏移量设置为(0,0)

[_scrollView setContentOffset:CGPointZero animated:YES]

//缩放设置

scrollView.minimumZoomScale = 0.5;

scrollView.maximumZoomScale = 2.0;

scrollView.zoomScale //缩放值

//代理方法

UIScrollView * sv = [[UIScrollView alloc]init];

[sv setZoomScale:1.0 animated:YES];

- (void)scrollViewDidScroll:(UIScrollView*)scrollView {

    //有任何滚动都会一直调用，不能做耗时操作

    //printf("正在滚动...\n");

}

//拖拽相关

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {

    printf("即将开始拖拽\n");

}

- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {

    printf("即将结束拖拽\n");

}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {

    printf("已经结束拖拽\n");

}

//减速相关     

- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView {

    printf("即将开始减速\n");

}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {

    printf("已经结束减速\n");

}

- (void)scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView {

    printf("使用代码方式滚动结束\n");

}

//点击状态栏自动回滚相关

- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView {

    //是否能够回滚到顶部，返回NO不允许回滚到顶部

    return YES;

}

- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView {

    printf("已经自动回滚到顶部\n");

}

//缩放相关

- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {

    //返回需要缩放的视图

    return scrollView.subviews[0];

}

- (void)scrollViewDidZoom:(UIScrollView *)scrollView {

    //只要有缩放就一直回调，不能做耗时操作

    //printf("缩放...\n");

}

- (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view {

    printf("即将开始缩放\n");

}

- (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(CGFloat)scale {

    printf("已经缩放结束\n");

}

//按页控制  UIPageControl

pageControl.numberOfPages //总页数

pageControl.currentPage //当前页

pageControl.pageIndicatorTintColor //非选中球的颜色

pageControl.currentPageIndicatorTintColor  //选中球的颜色

[pageControl addTarget:self action:@selector(onClick:) forControlEvents:UIControlEventTouchUpInside]//添加事件;

//UITabBarController  : UITabBarController  <UITabBarControllerDelegate> day07

hidesBottomBarWhenPushed = YES //隐藏tabBar

tbc.tabBar.barTintColor = [UIColor cyanColor];//设置tabBar的背景色

tbc.tabBar.tintColor = [UIColor redColor]; //    改变选中状态的颜色

tbc.tabBar.translucent = YES; //设置为不透明

NSInteger selectedIndex = [[NSUserDefaults standardUserDefaults] integerForKey:@"selectedIndex"]; //从文件中读取出来记录的选中序号

tbc.selectedIndex = selectedIndex; //设置选中的视图控制器

//系统自带item风格

UITabBarSystemItem itemStytles[] = {

        UITabBarSystemItemFavorites,

        UITabBarSystemItemHistory,

        UITabBarSystemItemBookmarks,

        UITabBarSystemItemSearch,

        UITabBarSystemItemDownloads,

        UITabBarSystemItemMostRecent,

    };//根据系统风格创建item

UITabBarItem *item = [[UITabBarItem alloc] initWithTabBarSystemItem:itemStytles[i] tag:i+1];

//自定义item

UIImage *image = [[UIImage imageNamed:imageName]  imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; //正常状态图片

UIImage *selectedImage = [[UIImage imageNamed:selectedImageName]     imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; //选中状态图片

UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:titles[i][0] image:image selectedImage:selectedImage];  //创建item

//统一设置tabBarItem的标题属性

[[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:color} forState:UIControlStateSelected];

//自定义tabBar

//隐藏系统自带的tabBar

self.tabBar.hidden = YES;

bc.viewControllers = controllers;

//自定义tabBar时 系统会调用

- (void)setViewControllers:(NSArray<__kindof UIViewController *> *)viewControllers

{    [super setViewControllers:viewControllers];

     //布局自己的tabBarView

    [self layoutTabBarView];

}

- (void)changeViewController:(UIButton *)button

{  if (button.tag == self.lastIndex) {

        return;

    }

    //找到原来选中的视图控制器

    BaseViewController *bvc = self.viewControllers[self.lastIndex];

    //取消其选中状态

    bvc.tabBarButton.selected = NO;

    //设置它会切换视图控制器

    self.selectedIndex = button.tag;

    button.selected = YES;

    //记录本次选中的视图控制器

    self.lastIndex = button.tag;

}

//保存选中视图控制器的序号

[[NSUserDefaults standardUserDefaults] setInteger:tabBarController.selectedIndex forKey:@"selectedIndex"];

//上面的方式不一定会立即写入磁盘文件，可以使用下面的方式立即同步写入到磁盘文件中

[[NSUserDefaults standardUserDefaults]synchronize];

//是否可以被选中

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController

NSHomeDirectory()//沙盒目录

self.tabBar.hidden = YES; //隐藏系统自带的tabBar

//导航控制器   : UIViewController   day05

//创建导航控制器，并制定根控制器

UINavigationController *nc = [[UINavigationController alloc]

initWithRootViewController:rvc];

UINavigationBar *bar = self.navigationController.navigationBar;

bar.barStyle = UIBarStyleBlack;   UIBarStyleDefault  状态栏为黑色

                                      UIBarStyleBlack    状态栏为白色

bar.translucent = NO;半透明效果，为NO时不透明，该属性会影响视图的布局

                      不透明(NO)：子视图的参考原点(0,64)

                    半透明(YES)：子视图的参考原点(0,0)

bar.barTintColor = [UIColor cyanColor]; //导航条的颜色

//7.0之前可以修改导航条背景色，7.0之后设置返回按钮的颜色

bar.tintColor = [UIColor yellowColor];

UIBarMetricsDefault    竖屏

UIBarMetricsCompact    横屏

[bar setBackgroundImage:[UIImage imageNamed:@"horizontal-bar64"] forBarMetrics:UIBarMetricsDefault];

//设置导航条标题的属性(字典)

bar.titleTextAttributes = @{NSFontAttributeName:[UIFont systemFontOfSize:30],NSForegroundColorAttributeName:[UIColor redColor]};

self.navigationItem.title = @"第二个";

//设置标题视图，设置后标题无效  

//系统风格   dome3   //导航栏上面的按钮

UIBarButtonItem *item1 = [[UIBarButtonItem alloc]

initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(barButtonHandle:)];

//自定义方式创建

UIBarButtonItem *item4 = [[UIBarButtonItem alloc] initWithCustomView:button];

nc.childViewControllers[1]  //通过下标可以找到指定的试图控制器

//添加到 BarButtonItems里即可显示   可选择左右两边的位置

self.navigationItem.rightBarButtonItems = @[item1,item2,item3,item4];

//UIToolbar

UIToolbar *bar = self.navigationController.toolbar;

bar.translucent = NO;//透明度

bar.barStyle = UIBarStyleBlack; //设置风格，设置背景色之后无效

bar.barTintColor = [UIColor cyanColor];  //设置背景色

[bar setBackgroundImage:[UIImage imageNamed:@"toolbar44-1"] forToolbarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault]; //设置背景图，背景色以及风格都无效

self.toolbarItems = items;  //设置本视图控制器在导航控制器中工具条上的显示item

//返回按钮的默认标题是Back

rvc.title = @"root"; //设置标题，当前视图的标题，也是下页返回按钮的标题

[self.navigationController pushViewController:新导航控制器对象 animated:YES]; //推入导航控制器   //view的背景色默认是透明色，推入导航控制器会有卡顿

[self.navigationController popViewControllerAnimated:YES];  //返回上一级，弹出顶层视图

[self.navigationController popToRootViewControllerAnimated:YES];  //返回到根视图控制器

BOOL hidden=!self.navigationController.navigationBarHidden //导航栏时候隐藏

[self.navigationController setNavigationBarHidden:hidden animated:YES]; //隐藏导航栏

self.navigationController.navigationBar.translucent = NO; //导航条设置为不透明

//取消导航对滚动视图的影响，不会影响布局

self.automaticallyAdjustsScrollViewInsets = NO;

//取消边界影响，同时会影响布局

self.edgesForExtendedLayout = UIRectEdgeNone;

//手势UITouch : UIViewController   day08

//滑动时一直调用，不能做耗时操作

- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

    [super touchesMoved:touches withEvent:event];

}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

    [super touchesEnded:touches withEvent:event];

    printf("结束\n");

}

- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

    printf("取消\n");

}

//点击手势

UITapGestureRecognizer *tgr = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapHandle:)];

tgr.numberOfTapsRequired = 2; //设置点击次数

tgr.numberOfTouchesRequired = 2;  //触摸点的个数

[self.label addGestureRecognizer:tgr]; //添加手势

- (void)tapHandle:(UITapGestureRecognizer *)tgr {

    if (tgr.state ==UIGestureRecognizerStateBegan / UIGestureRecognizerStateEnded / UIGestureRecognizerStateChanged)//三种参数 开始 结束  状态改变

    {

        printf("点击手势识别成功\n");

    }

}

//长按手势

UILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressHandle:)];

lpgr.minimumPressDuration = 2;//设置长按识别的最短持续时间

//滑动手势

UIPanGestureRecognizer *pgr = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panHandle:)];

[pgr setTranslation:CGPointZero inView:self.view]; //偏移效果会累加，每次都需要清除

//捏合手势

UIPinchGestureRecognizer *pgr = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchHandle:)];

pgr.scale = 1.0; //捏合的比例效果会累加，每次都需重置

//旋转手势

UIRotationGestureRecognizer *rgr = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationHandle:)];

rgr.rotation = 0; //旋转角度效果会叠加，每次都需清除

//晃动手势

- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {

    printf("开始晃动\n");

}

- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {

    printf("晃动结束\n");

}

- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event {

    printf("晃动取消\n");

}

//轻扫手势，相当与具有单一方向的滑动手势

UISwipeGestureRecognizer *sgr = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeHandle:)];

sgr.direction = dir[i]; //设置轻扫的方向

UISwipeGestureRecognizerDirection dir[] = {

        UISwipeGestureRecognizerDirectionRight,

        UISwipeGestureRecognizerDirectionLeft,

        UISwipeGestureRecognizerDirectionUp,

        UISwipeGestureRecognizerDirectionDown

    };

//音乐相关

先添加Audio 库  并添加 #import <AudioToolbox/AudioToolbox.h> 头文件

- (void)playMusicWithName:(NSString *)name { // 参数音乐文件名

    NSArray *names = [name componentsSeparatedByString:@"."];

    NSString *file = [[NSBundle mainBundle] pathForResource:names[0] ofType:names[1]];

    NSURL *url = [NSURL fileURLWithPath:file];

    SystemSoundID soundId;

    AudioServicesCreateSystemSoundID((CFURLRef)url, &soundId);

    AudioServicesPlayAlertSound(soundId);

}

UICommonlyUsedControls ：UIViewController   day06

一、UISwitch(开关)

//可以通过设置形变进行缩放

sw.transform = CGAffineTransformMakeScale(2, 2);

//设置打开时的颜色，默认是绿色

sw.onTintColor = [UIColor redColor];

//设置关闭时的颜色(只有边框)

sw.tintColor = [UIColor yellowColor];

//设置小球的颜色

sw.thumbTintColor = [UIColor blackColor];

//点击时会系统会调用点击事件方法来改变开关的值

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

    [super touchesBegan:touches withEvent:event];

    

    UISwitch *sw = (UISwitch *)[self.view viewWithTag:100];

    BOOL status = !sw.isOn;

    [sw setOn:status animated:YES];

}

二、UIActivityIndicatorView(活动指示视图)

UIActivityIndicatorView *aiv = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];//创建活动指示视图

//动画停止时是否隐藏，默认为YES

//aiv.hidesWhenStopped = NO;

[aiv startAnimating];

[UIApplication sharedApplication].networkActivityIndicatorVisible = NO; //状态栏的小图标的显示开关

三、UISlider(滑动条)

slider.maximumTrackTintColor = [UIColor greenColor];//设置轨道颜色

slider.minimumTrackTintColor = [UIColor redColor];//设置滑过轨道颜色

slider.thumbTintColor = [UIColor purpleColor];//滑块(小球)的颜色

//值的设置

slider.minimumValue = 0.2;

slider.maximumValue = 1;

slider.value = 1.0;

slider.continuous = NO;//拖拽期间是否一直回调处理函数

slider.minimumValueImage = image; //最小值贴图

slider.maximumValueImage = maxImage;  //最大值贴图

[slider setThumbImage:minImage forState:UIControlStateNormal]; //滑球正常状态时的图片

[slider setThumbImage:maxImage forState:UIControlStateHighlighted]; // 点击时的图片

self.view.alpha = slider.value;  // 通过 滑条的值 来改变 View 的透明度

四、UIProgressView(进度条)

 UIProgressView *pv = [[UIProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleBar];风格创建

pv.progress = 0.5;

//设置颜色

pv.trackTintColor = [UIColor blackColor];

pv.progressTintColor = [UIColor greenColor];

五、UIStepper(步进器)

//设置值

stepper.minimumValue = 0;

stepper.maximumValue = 10;

stepper.stepValue = 1;

//跨越边界

stepper.wraps = YES;

//处理事件是否一直回调

stepper.continuous = NO;

//长按时是否一直重复操作

stepper.autorepeat = NO;

六、UISegmentedControl(分段控制)

//设置宽度，没有设置的段平均分

[sc setWidth:65 forSegmentAtIndex:1];

七、UIActionSheet(操作表单)

UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"分享" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"删除" otherButtonTitles:@"微博分享",@"微信分享",@"QQ分享", nil];//系统方法创建

//默认是隐藏 需要调用点击方法来创建显示

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex

{    //这里做事件分发

    printf("index:%ld\n", buttonIndex);

    //使用代码方式取消显示

    [actionSheet dismissWithClickedButtonIndex:actionSheet.cancelButtonIndex animated:YES];

}

八、UIAlertView(警告视图)

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"⚠️" message:@"取钱请尽快，10秒后吞卡..." delegate:self cancelButtonTitle:@"不取了